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Patent applications and USPTO patent grants for Hokuetsu Kogyo Co., Ltd..The latest application filed is for "method for reducing power consumption in a liquid-cooled rotary compressor by treating the liquid".
Patent | Date |
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Method for reducing power consumption in a liquid-cooled rotary compressor by treating the liquid Grant 4,035,114 - Sato July 12, 1 | 1977-07-12 |
Rotary compressor of liquid-cooled type provided with means for adjusting amount of liquid and volume of gas Grant 4,025,244 - Sato May 24, 1 | 1977-05-24 |
Oil-injection-type rotary compressor having a centrifugal water separator Grant 3,945,464 - Sato March 23, 1 | 1976-03-23 |
Rotary compressor of oil cooling type with appropriate oil discharge circuit Grant 3,936,249 - Sato February 3, 1 | 1976-02-03 |
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